This is easiest method for install MIUI 8.1.3.0 in your Xiaomi Redmi 2 Prime. Just follow these steps:

Step 1: Download miui_HM2XWCProGlobal_V8.1.3.0.LHJMIDI_53f53ef3a9_5.1.zip file and rename this zip file as “update.zip” like miui_HM2XWCProGlobal_V8.1.3.0.LHJMIDI_53f53ef3a9_5.1.zip to update.zip.

Step 2: Connect your phone to PC and copy the zip file into your Phone Internal Storage. Do not copy the zip file into any folder or SD card!!

Step 3: Go to Updater App from your phone app menu, tap on the setting icon, it is a 3 dots icon on top right corner (see in this image) and tap on the “Choose update package” tab. Now you can see your phone storage, Scroll down and tap on the update.zip file. See in this image.

Step 4: Now your phone is going to Reboot in recovery mode and Rom flashing process start. Don’t interrupt this process, it might to take 4-6 minutes for your phone to first boot on MIUI 8.1.3.0 Global stable Rom.

After install New update Xiaomi Redmi 2 Prime MIUI 8.1.3.0 stable Rom, you can root your phone because root allows you to use a maximum of your phone without any restrictions. After root you will install custom apps, Rom and custom setting in your phone. But first read Root Advantage and Disadvantage by this article.

I hope you like this new update Xiaomi Redmi 2 Prime MIUI 8.1.3.0 Stable Rom installation guide from which you will be able to easily install new update Xiaomi Redmi 2 Prime MIUI 8.1.3.0 stable Rom without any extra efforts. If feel any problem in this guide then please use comment box. Thanks to all.